HTML, CSS, JS annotations

Html

<!--comment Content--

What does IE mean? The following is a list of some common hack control statements in CSS.
Use memo as an if condition comment for ie, sometimes try if ie instead of using hack in CSS.
Use the conditional if comment in HTML to have the client's different versions of IE browser read the contents of their version browser comments.

If condition different version browser Comment list:
<!--[if! Ie]> In addition to IE can be recognized <! [endif]-->
<!--[if ie]> all IE recognizable <! [endif]-->
<!--[if GT IE 5.0]> IE5.0 and IE5.0 above can be identified <! [endif]-->
<!--[if IE 6]> only IE6 recognizable <! [endif]-->
<!--[if Lt IE 6]> IE6 and IE6 The following versions are recognized <! [endif]-->
<!--[if GTE IE 6]> IE6 and IE6 above are recognized <! [endif]-->
<!--[if IE 7]> only IE7 recognizable <! [endif]-->
<!--[if Lt IE 7]> IE7 and IE7 The following versions are recognized <! [endif]-->
<!--[if GTE IE 7]> IE7 and IE7 above are recognized <! [endif]-->

Css

/* Comment content */

Js

When line comment content

/* Multiline Comment content */

HTML, CSS, JS annotations